[PATCH 5.10 406/529] ktest.pl: Give back console on Ctrt^C on monitor

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From: Steven Rostedt <rostedt@xxxxxxxxxxx>

commit 83d29d439cd3ef23041570d55841f814af2ecac0 upstream.

When monitoring the console output, the stdout is being redirected to do
so. If Ctrl^C is hit during this mode, the stdout is not back to the
console, the user does not see anything they type (no echo).

Add "end_monitor" to the SIGINT interrupt handler to give back the console
on Ctrl^C.

Cc: stable@xxxxxxxxxxxxxxx
Fixes: 9f2cdcbbb90e7 ("ktest: Give console process a dedicated tty")
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 tools/testing/ktest/ktest.pl |    3 +++
 1 file changed, 3 insertions(+)

--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -4283,6 +4283,9 @@ sub send_email {
 }
 
 sub cancel_test {
+    if ($monitor_cnt) {
+	end_monitor;
+    }
     if ($email_when_canceled) {
 	my $name = get_test_name;
         send_email("KTEST: Your [$name] test was cancelled",





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